31. Before the vowel points were invented, some consonants were used to indicate vowel sounds . 32. It is Ladefoged's voice that is heard producing the vowel sounds in the film. 33. Other vowel sounds are also recognised on the vowel chart of the International Phonetic Alphabet. 34. Basically, they glide from one vowel sound into another. 35. Exact pronunciation of the vowel sound of can vary because of palatalization for some background. 36. In English, schwa is the most common vowel sound . 37. In traditional Urdu script these vowels sounds are not represented by any letters of alphabet. 38. Many vowel sounds can be represented by one letter. 39. The long vowel sounds of Italian are replicated in the lyrical lines of Vivaldi's music. 40. The basic consonantal symbol was considered to have an inherent " a " vowel sound .
